What did you say? Is it Xiao Zhuan?
The characters written in this calligraphy work belong to Chu characters in the Warring States period, and there is nothing wrong with calling it a bronze inscription, which also belongs to Da Zhuan (the characters before Qin Shihuang unified the characters). The content of the inscription is "Forever Blessing" and the inscription is "Book of Early Winter" (the last word of the author's name is a little unclear, maybe it is the word "Zhong").